Oct. 29, 2008 -- Paleontologists are sifting through the soil of an excavated lot in search of ancient plants, the only ones from the early Jurassic period found so far in western North America.
The flora fossils date back 198 million years, Utah's state paleontologist Jim Kirkland said Tuesday. "Every plant they've identified has been new," he said.
Read full story Discovery News
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Wednesday, October 29, 2008
Tuesday, October 21, 2008
Tropical Cyclones Wash Away Carbon
Oct. 21, 2008 -- Hurricanes and typhoons, normally seen as looming threats from global warming, are actually helping to remove carbon dioxide from the atmosphere.
Each year humans emit approximately 7.2 billion tons of the greenhouse gas, trapping vast amounts of heat in the air and oceans. Tropical cyclones derive their energy from warm seas, and some scientists believe global warming will spawn more frequent and more intense storms unless drastic effort is undertaken to cut emissions.
Reaqd full story Discovery News
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Each year humans emit approximately 7.2 billion tons of the greenhouse gas, trapping vast amounts of heat in the air and oceans. Tropical cyclones derive their energy from warm seas, and some scientists believe global warming will spawn more frequent and more intense storms unless drastic effort is undertaken to cut emissions.
Reaqd full story Discovery News
Posted by Personal Injury Lawyers in Phoenix, Arizona
Monday, October 20, 2008
Rock Shows Earth Got Off to Hot Start
Oct. 20, 2008 -- A geological controversy over how a 2,700-million-year-old rock was formed has been solved using synchrotron technology, an international team reports.
A rare form of magmatic rock known as komatiite was formed in the Earth's mantle at temperatures around 1700 degrees Celcius in the Archaean age, more than 2,700 million years ago, according to report in the latest Nature journal.
Australian co-author Leonid Danyushevsky, at the Australian Research Council Center of Excellence in Ore Deposits at the University of Tasmania, said the finding settles a long-disputed controversy over the volcanic rock's origin.
Read full story Discovery News
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A rare form of magmatic rock known as komatiite was formed in the Earth's mantle at temperatures around 1700 degrees Celcius in the Archaean age, more than 2,700 million years ago, according to report in the latest Nature journal.
Australian co-author Leonid Danyushevsky, at the Australian Research Council Center of Excellence in Ore Deposits at the University of Tasmania, said the finding settles a long-disputed controversy over the volcanic rock's origin.
Read full story Discovery News
Posted by Personal Injury Lawyers in Phoenix, Arizona
Friday, October 17, 2008
Ozone Pollution to Worsen Under Climate Change
Surface-level ozone, a poisonous gas that claims tens of thousands of lives annually, could get much worse thanks to the effects of climate change, according to new research.
While international treaties like the Kyoto Protocol attempt to curb greenhouse gas emissions and limit the effects of global warming, researchers say ozone is a silent killer that has stayed below the radar.
"It's the third most important greenhouse gas after carbon dioxide and methane," David Fowler of the National Environmental Research Council in the United Kingdom said. "But it's not the biggest one, and it's not the biggest threat to human health -- particulates in the atmosphere are worse. So it's a sort of Cinderella gas that has been mostly ignored."
Read full story Discovery News
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While international treaties like the Kyoto Protocol attempt to curb greenhouse gas emissions and limit the effects of global warming, researchers say ozone is a silent killer that has stayed below the radar.
"It's the third most important greenhouse gas after carbon dioxide and methane," David Fowler of the National Environmental Research Council in the United Kingdom said. "But it's not the biggest one, and it's not the biggest threat to human health -- particulates in the atmosphere are worse. So it's a sort of Cinderella gas that has been mostly ignored."
Read full story Discovery News
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Crumbling Glacier Quakes as It Breaks
On the west coast of Greenland, a glacier's crumbling edge is producing seismic groans.
As the Arctic warms, scientists are keeping a close eye the Jakobshavn glacier. Already one of the world's fastest moving ice streams, over the last decade scientists watched alarmed as it sped up further, sometimes sliding dozens of feet per day toward the Ilulissat Fjord.
Read full story Discovery News
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As the Arctic warms, scientists are keeping a close eye the Jakobshavn glacier. Already one of the world's fastest moving ice streams, over the last decade scientists watched alarmed as it sped up further, sometimes sliding dozens of feet per day toward the Ilulissat Fjord.
Read full story Discovery News
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Thursday, October 16, 2008
'Dramatic evidence' of Arctic melt, experts warn
Federal report cites signals from Greenland ice sheet to reindeer herds
WASHINGTON - Autumn temperatures in the Arctic are at record highs, the Arctic Ocean is getting warmer and less salty as sea ice melts, and reindeer herds appear to be declining, researchers reported Thursday.
"Obviously, the planet is interconnected, so what happens in the Arctic does matter" to the rest of the world, Jackie Richter-Menge of the Cold Regions Research and Engineering Laboratory in Hanover, N.H., said in releasing the third annual Arctic Report Card for the federal National Oceanic and Atmospheric Administration.
"There continues to be widespread and, in some cases, dramatic evidence of an overall warming of the Arctic system," the experts stated in their report.
Read full story MSNBC
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WASHINGTON - Autumn temperatures in the Arctic are at record highs, the Arctic Ocean is getting warmer and less salty as sea ice melts, and reindeer herds appear to be declining, researchers reported Thursday.
"Obviously, the planet is interconnected, so what happens in the Arctic does matter" to the rest of the world, Jackie Richter-Menge of the Cold Regions Research and Engineering Laboratory in Hanover, N.H., said in releasing the third annual Arctic Report Card for the federal National Oceanic and Atmospheric Administration.
"There continues to be widespread and, in some cases, dramatic evidence of an overall warming of the Arctic system," the experts stated in their report.
Read full story MSNBC
Posted by Personal Injury Lawyers in Phoenix, Arizona
Wednesday, October 15, 2008
Whale autopsy: Trash clogged its intestine
Plastic bag, rope and bottle cap appear to have killed 3-ton female
KUALA LUMPUR, Malaysia - A beached whale has died in Malaysia after swallowing a plastic bag, a rope and a bottle cap, a marine researcher said Wednesday.
The 30-foot-long Bryde's whale got stranded in eastern Pahang state Monday and died a day later despite villagers' efforts to save it, said Mohamad Lazim Mohamad Saif, a researcher with the Turtle and Marine Ecosystem Center, who was at the scene.
Mohamad Lazim said the preliminary findings of an autopsy showed the female had swallowed a black plastic bag, a rope and a bottle cap, which clogged its intestine.
Read Full Story MSNBC
Posted by Phoenix Criminal Defense and DUI Lawyers
KUALA LUMPUR, Malaysia - A beached whale has died in Malaysia after swallowing a plastic bag, a rope and a bottle cap, a marine researcher said Wednesday.
The 30-foot-long Bryde's whale got stranded in eastern Pahang state Monday and died a day later despite villagers' efforts to save it, said Mohamad Lazim Mohamad Saif, a researcher with the Turtle and Marine Ecosystem Center, who was at the scene.
Mohamad Lazim said the preliminary findings of an autopsy showed the female had swallowed a black plastic bag, a rope and a bottle cap, which clogged its intestine.
Read Full Story MSNBC
Posted by Phoenix Criminal Defense and DUI Lawyers
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